List of 156 Mandatory Class I Federal Areas I Visibility I Air & Radiation I US EPA Page 1 of 8 

Nevadaq/~2OR1-loi~20SIP0~~20Docket/EPA%2ODOCUMENTS/List~i~20of0/i,213 156'%20Mandatoryo/o 

OFederalo/o2Oil\reas%200/~ZO?/is~bility0/c.2D?~~ZOiSir0/~~Q~i~e1~Q~&-i~~~~~~.;

Visibility 

You are hv-e: EPA_ Home Air& Radiation Visibility LIS: of 156 Mandatory Class 1 Federal 

Areas 

List of 156 Mandatory Class I Federal Areas 

Code of Fed,eral Regulations 

Reference (40 CFR PART 81) 

FEDERAL 

AREA NAME ACREAGE LAND PUBLIC 

MANAGER LAW 

81.401 Alabama. 

Sipsey Wilderness 

Area 12,646 USDA-FS 93-622 

81.402 Alaska. 

Bering Sea 

Wilderness Area 41,113 USDI-FWS 91-622 

Denali NP (formerly 

Mt. McKinley NP) 1,949,493 USDI-FWS 64-353 

Sirneonof 

Wilderness Area 25,141 USDI-FWS 94-557 

Tuxedni Wilderneqs 

Area 6,402 USDI-FWS 91-504 

81.403 Arizona, 

Chiricahua Nationpl 

Monument 9,440 USDI-NPS 94-567 

Wilderness Area. 

Chiricahua 

Wilderness Area 18,000 USDA-FS 88-577 

Galiuro Wildernesr; 

Area 52,717 USDA-FS 88-577 

Grand Canyon NP 

Mazatzal 

Wilderness Area 

Mount Baldy 

Wilderness Area 

Petrified Forest NF' 

Pine Mountain 

Wilderness Area 

Saguaro 

Wilderness Area 

Sierra Ancha 

Wilderness Area 

Superstition 

Wilderness Area 

USDI-NPS 

USDA-FS 

USDA-FS 

USDI-NPS 

USDA-FS 

USDI-FS 

USDA-FS 

USDA-FS 

Sycamore Canyori 47,757 USDA-FS 92-241 

mhtml:file://G:L4IR-2\Nev~da RH SIP Docket\EPA DOCUMENTS\List of 156 Mandator ... 211 11201 1 
List of 156 Mandatory Class I Federal Areas 1 Visibility 1 Air & Radiation 1 U$ EPA Page 2 of 8 

Wilderness Area 

81.404 Arkansas. 

Caney Creek 

Wilderness Area 

Upper Buffalo 

Wilderness Area 

81.405 California. 

Agua Tibia 

Wilderness Area 

USDA-FS 

USDA-FS 

USDA-FS 

USDA-FS 

USDA-FS 

USDA-FS 

Caribou Wilderness 

Area 

Cucamonga 

Wilderness Area 

Desolation 

Wilderness Area 

Dome Land 

Wilderness Area USDA-FS 

Emigrant 

Wilderness Area USDA-FS 

Hoover Wilderness 

Area 

John Muir 

Wilderness Area 

Joshua Tree 

Wilderness Area 

Kaiser Wilderness 

Area 

Kings Canyon NP 

Lassen Volcanic NP 

USDY-FS 

USDA-FS 

USDI-NPS 

USDA-FS 

USDI-NPS 

USDI-NPS 

USDI-NPS Lava Beds 

Wilderness Area 

Marble Mountain 

Wilderness Area USDA-FS 

Minarets 

Wilderness Area USDA-FS 

Mokelumme 

Wilderness Area 

Pinnacles 

Wilderness Area 

USDA-FS 

USDI-NPS 

Point Reyes 

Wilderness Area 

Redwood NP 

San Gabriel 

Wilderness Area 

San Gorgonio 

Wilderness Area 

San Jacinto 

Wilderness Area 

San Rafael 

Wilderness Area 

Sequoia NP 

USDI-NPS 

USDI-NPS 

USDA-FS 

USDA-FS 

USDA-FS 

USDA-FS 

USDI-IVS 

South Warner 

mhtml: file://G:\AIR-2\Nevada RH SIP Docket\EPA DOCUMENTS\List of I 56 Mandator ... 211 1/20 1 1 
List of 156 Mandatory Class I Federal Areas I Visibility 1 Air & Radiation 1 US EPA Page 3 of 8 

Wilderness Area USDA-FS 

USDA-FS Thousand Lakes 

Wilderness Area. 

Ventana Wilderness 

Area USDA-FS 

Yolla-Bolly-MiddleEel Wilderness Arqa 

Yosemite NP 

81.406 color ad^. 

Black Canyon of 

the Gunnison 

Wilderness Area. 

Eagles Nest 

Wilderness Area 

Flat Tops 

Wilderness Area. 

Great Sand Dune:; 

Wilderness Area 

La Garita 

Wilderness Area. 

USDA-FS 

USDI-NPS 

USDI-NPS 

USDA-FS 

USDA-FS 

USDI-NPS 

US DA- FS 

Maroon BellsSnowmass 

Wilderness Area 

Mesa Verde hlP 

Mount Zirkel 

Wilderness Area 

Rawah Wilderness 

Area 

Rocky Mountain NP 

USDA-FS 

USDI-NPS 

USDA-FS 

USDA-FS 

USDI-NPS 

USDA-FS Weminuche 

Wilderness Area. 

West Elk 

Wilderness Area 

81.407 Florida. 

Chassa howitzka 

Wilderness Area. 

Everglades NP 

St. Marks 

Wilderness Area. 

USDA-FS 

USDI-FWS 

USDI-NPS 

USDI-FWS 

81.408 Georgia, 

Cohotta Wilderness 

Area 

0 kefenokee 

Wilderness Area 

Wolf Island 

Wilderness Area 

USDA-FS 

USDI-FWS 

USDI-FWS 

81.409 Hawaii. 

Haleakala IVP USDI-NPS 

USDI-NPS Hawaii Volcanoes 

NP 

81.41 Idaho. 

rnhtml:file:NG:\AIR-2\Nev#da RH SIP Docket\EPA DOCUMENTS\List of 156 Mandator ... 211 11201 1 
List of 156 Mandatory Class I Federal Areas 1 Visibility 1 Air & Radiation ( 05 EPA Page 4 of 8 

Craters of the 

Moon Wilderness 43,243 SDI-NPS 91-504 

Area 

Hells Canyon 

Wilderness Area 83,800 USDA-FS 94-199 

(1) 

Sawtooth 

Wilderness Area USDA-FS 

Selway- Bitterroot 

Wilderness Area 988,770 USDA-FS 88-577 

(2) 

Yellowstone NP(3) 31,488 USDI-IVPS ((4)) 

(1)Hells Canyon Wilderness, 192,700 acres overall, of which 10t3,900 acres are in 

Oregon and 83,800 acres are in Idaho. 

(2)Selway Bitterroot Wilderness, 1,240,700 acres overall, of whkh 988,700 acres 

are in Idaho and 251,930 acres are in Montana. 

(3)Yellowstone National Park, 2,219,737 acres overall, of which 2,020,625 acres 

are in Wyoming, 167,624 acres are in Montana, and 31,488 acre9 are in Idaho 

{4)17 Stat. 32 (42nd Cong.). 

81.411 Kentucky. 

Mammoth Cave NP 51,303 

81.412 Louisiana. 

Breton Wilderness 

Area 

81.413 Maine. 

Acadia National 

Park 

Moosehorn 

Wilderness Area. 7,501 

(Edmunds 

Unit) 

USDI-NPS 69-283 

USDI-FWS 93-632 

USDI-NPS 65-278 

USDI-FWS 

(Baring Unit). (4,719) 93-632 

81.414 Michigan. 

Isle Royale NP. 542,428 USDI-hIPS 71-835 

Seney Wilderness 

Area USDI-FWS 

81.415 Minnesota. 

Boundary Waters 

Canoe Area 747,840 USDA-FS 99-577 

Wilderness Area 

Voyageurs NP 114,964 USDI-NPS 99-261 

81.416 Missouri. 

Hercules-Glades 

Wilderness Area 

Mingo Wilderness 

Area 

81.417 Montana. 

Anaconda-Pintlar 

Wilderness Area 

USDA-FS 

USDI-FWS 

USDA-FS 

mhtml:file://G:\AIR-2\Nevada RH SIP Docket\EPA DOCUMENTS\List of 156 Mandator ... 211 11201 1 
List of 156 Mandatory Class I Federal Areas I Visibility ( Air & Radiation 1 US EPA Page 5 of 8 

Bob Marshall 

Wilderness Area USDA-FS 

Cabinet Mountains 

Wilderness Area USDA-FS 

Gates of the Mtn 

Wilderness Area USDA-FS 

Glacier NP 1,012,599 USDI-NPS 61-171 

Medicine Lake 

Wilderness Area 11,366 USDI-FWS 94-557 

Mission Mountain 

Wilderness Area 73,877 USDA-FS 93-632 

Red Rock Lakes 

Wilderness Area. USDI-FWS 

Scapegoat 

Wilderness Area. USDA-FS 

Selway-Bitterroot 

Wilderness Area 251,930 USDA-FS 88-577 

(1) 

U. L. Bend 

Wilderness Area USDI-FWS 

Yellowstone NP(2;) 167,624 USDI-NPS ((3)) 

(1)SeIway-Bitterroot Wilderness, 1,240,700 acres overall, of which 988,770 acres 

are in Idaho and 251,930 acres are in Montana. 

(2)Yellowstone National Park, 2,219,737 acres overall, of which 2,020,625 acres 

are in Wyoming, 1.67,624 acres are in Montana, and 31,488 acres are in Idaho. 

(3117 Stat. 32 (42nd Cong.) 

[44 FR 69124, NQV. 30, 1979; 45 FR 6103, Jan. 25, 19801 

81.418 Nevada. 

Jarbidge 

Wilderness Area USDA-FS 

81.419 New Hayflpshire. 

Great Gulf 

Wilderness Area USDA-FS 

Presidential RangeDry River 20,000 USDA-FS 93-622 

Wilderness Area. 

81.42 New Jers(!y. 

Brigantine 

Wilderness Area 6,603 USDI-FWS 93-632 

81.421 New Mexico. 

Bandelier 

Wilderness Area. USDI-NPS 

Bosque del Apachr? 

Wilderness Area 80,850 USDI-FWS 93-632 

Carlsbad Caverns 

N P. 46,435 USDI-NPS 71-216 

Gila Wilderness 

Area. 433,690 USDA-FS 88-577 

Pecos Wilderness 

Area 167,416 USDA-FS 88-577 

mhtm1:file:NG:MIR-2\Nev$da RH SIP Docket\EPA DOCUMENTS\List of 156 Mandator ... 211 11201 1 
List of 156 Mandatory Class I Federal Areas I Visibility ( Air & Radiation ( U'S EPA Page 6 of 8 

Salt Creek 

Wilderness Area 

San Pedro Parks 

Wilderness Area 

Wheeler Peak 

Wilderness Area 

8,500 USDI-FWS 91-504 

41,132 USDA-FS 88-577 

6,027 USDA-FS 88-577 

White Mountain 

Wilderness Area. USDA-FS 

81.422 North Carolina. 

Great Smoky 

Mountains NP(1) USDI-NPS 

Joyce KilmerSlickrock 

Wilderness Area 10,201 USDA-FS 93-622 

Linville Gorge 

Wilderness Area. USDA-FS 

Shining Rock 

Wilderness Area. USDA-FS 

Swanquarter 

Wilderness Area 9,000 USDI-FWS 94-557 

(1)Great Smoky Mountains National Park, 514,758 acres overall, of which 

273,551 acres are in North Carolina, and 241,207 acres are in Ttknnessee. 

(2)Joyce Kilmer-Slickrock Wilderness, 14,033 acres overall, of Which 10,201 

acres are in North Carolina, and 3,832 acres are in Tennessee. 

81.423 North Dakota. 

Lostwood 

Wilderness 5,557 USDI-FWS 93-632 

Theodore Roosevelt 

NP 69,675 USDI-NPS 80-38 

81.424 Oklahoma. 

Wichita Mountains 

Wilderness USDI-FWS 

81.425 Oregon. 

Crater Lake NP 

Diamond Peak 

Wilderness. 

Eagle Cap 

Wilderness 

USDA-NPS 

USDA-FS 

USDA-FS 

USDA-FS 

USDA-FS 

Gearhart Mountain 

Wilderness 

Hells Canyon 

Wilderness(1) 

Kalmiopsis 

Wilderness. 

Mountain Lakes 

Wilderness 

Mount Hood 

Wilderness. 

Mount Jefferson 

Wilderness 

USDA-FS 

USDA-FS 

USDA-FS 

USDAFS 

mhtml:file:/lG:\AIR-2\Nevada RH SIP Docket\EPA DOCUMENTS\List of 156 Mandator ... 211 11201 1 
List of 156 Mandatory Claw I Federal Areas I Visibility 1 Air & Radiation I US EPA Page 7 of 8 

Mount Washingtor) 

Wilderness. 

Strawberry 

Mountain 

Wilderness 

Three Sisters 

Wilderness 

USDA-FS 

33,003 USDAFS 

USDA-FS 

(1)Hells Canyon ~ilderness, 192,700 acres overall, of which 108,900 acres are in 

Oregon, and 83,890 acres are in Idaho. 

81.426 South Cprolina. 

Cape Romain 

Wilderness 

Badlands 

Wilderness 

28,000 USDI-FWS 93-632 

64,250 USDI-NPS 94-567 

Wind Cave NP 28,060 USDI-NPS 57-16 

81.428 Tennessee. 

Great Smoky 

Mountains NP(1). USDI-NPS 

Joyce KilmerSlickrock 3,832 USDA-FS 93-622 

Wilderness(2) 

(1)Great Smoky IYountains National Park, 514,758 acres overall, of which 

273,551 acres are in North Carolina, and 241,207 acres are in Tennessee. 

(2)Joyce Kilmer !$lickrock Wilderness, 14,033 acres overall, of which 10,201 acres 

are in North Carolina, and 3,832 acres are in Tennessee. 

[44 FR 69124, Nav. 30, 1979; 45 FR 6103, Jan. 25, 19801 

81.429 Texas. 

Big Bend NP. 708,118 USDI-NPS 74-157 

Guadalupe 

Mountains NP 76,292 USDI-NPS 89-667 

81.43 Utah. 

Arches NP. 65,098 USDI-NPS 92-155 

Bryce Canyon NP, 35,832 USDI-NPS 68-277 

Canyonlands NP 337,570 USDI-NPS 88-590 

Capitol Reef NP. 221,896 USDI-NPS 92-507 

Zion NP 142,462 USDI-NPS 68-83 

81.431 Vermont. 

Lye Brook 

Wilderness 12,430 USDA-FS 93-622 

81.432 Virgin Islands. 

Virgin Islands NP, 12,295 USDI-NPS 84-925 

81.433 Virginia, 

James River Face 

Wilderness. 8,703 USDA-FS 93-622 

Shenandoah NP 190,535 USDI-NPS 69-268 

81.434 Washington. 

Alpine Lakes 

Wilderness. USDA-FS 

Glacier Peak 

mhtml:file:/lG:L4IR-2\Nev;jda RH SIP Docket\EPA DOCUMENTS\List of 156 Mandator ... 211 11201 1 
List of 156 Mandatory Class I Federal Areas ( Visibility I Air & Radiation I U'S EPA Page 8 of 8 

Wilderness. 464,258 USDA-FS 88-577 

Goat Rocks 

Wilderness. 

Mount Adams 

Wilderness 

82,680 USDA-FS 88-577 

32,356 USDA-FS 88-577 

Mount Rainer NP. 235,239 USDI-NPS ((1)) 

North Cascades NP. 503,277 USDI-NPS 90-554 

Olympic NP 892,578 USDI-NPS 75-778 

Pasayten 

Wilderness 

{1)30 Stat. 993 

(55th Cong.). 

81.435 West Virginia. 

Dolly Sods 

Wilderness. 

Otter Creek 

Wilderness 

505,524 USDA-FS 90-544 

10,215 USDA-FS 93-622 

20,000 USDA-FS 93-622 

81.436 Wyoming. 

Bridger Wilderness 392,160 USDA-FS 88-577 

Fitzpatrick 

Wilderness 191,103 USDA-FS 94-567 

Grand Teton NP 305,504 USDI-NPS 81-787 

North Absaroka 

Wilderness 

Teton 

Wilderness 

Washakie 

Wilderness 

USDA-FS 

557,311 USDA- 88- 

FS 577 

686,584 USDA-FS 92-476 

Yellowstone NP(1). 2,020,625 USDI-NPS ((2)) 

(1)Yellowstone National Park, 2,219,737 acres overall, of which 2,020,625 acres 

are in Wyoming, 167,624 acres are in Montana, and 31,488 acres are in Idaho. 

{2)17 Stat. 32 (42nd Cong.). 

81.437 New Brunswick, Canada. 

Roosevelt 

Campobello 2,721 ((1)) 88-363 

International Park 

(1) Chairman, RCIP Commission. 

*All references are to Part 51 of the Code of Federal Regulations 

Abbreviations: 

USDI-NPS: U.S. Department of Interior, National Park Service 

USDA-FS: U.S. Department of Agriculture, U.S. Forest Service 

USDI-FWS: U.S. Department of Interior, Fish and Wildlife Servick 

mhtml:file:l/G:\AIR-2\Nevada RH SIP Docket\EPA DOCUMENTS\List of 1 56 Mandator ... 211 11201 1